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TownhouseResidential
$269,236$171 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $250,000 on May 14, 2025

520 THOMAS ST

TIFFIN, IA 52340
3
Beds
2.5
Baths
1,571 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
2,752 ft²
Lot SizeThe size of the land the home sits on, from county records.
2024
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$269K
$247K low$291K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,000 · May 14, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$257,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$50,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$207,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$257,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.38
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
7
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
8
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyJOHNSON
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 65 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Tiffin ElementaryB-
Elementary · Grades PK–5 · 0.6 mi
M
Clear Creek Amana Middle SchoolA-
Middle · Grades 6–8 · 0.7 mi
H
Clear Creek Amana High SchoolB+
High · Grades 9–12 · 1.0 mi

District: Clear Creek-Amana Community School District

Neighborhood · ZIP 52340These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.4,618
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.265 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,695
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,645
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

520 Thomas St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 78% of homes in Tiffin 52340
  • Costs less per square foot than 84% of homes in Tiffin 52340
  • Among the smallest lots in Tiffin 52340
  • Among the newest homes in Johnson County

What homes are worth in Tiffin 52340

Each bar is how many homes fall in that price range. The marker is this home.

This home
$128K$859K

This home is worth more than 22% of homes in Tiffin 52340.

How it measures up in Tiffin 52340

The dot is this home. The mark in the middle is the typical home in Tiffin 52340.

Estimated value$269,236
CheaperTypical $391,926Pricier

Pricier than 22% of homes nearby

Price per ft²$171
CheaperTypical $270Pricier

Pricier than 16% of homes nearby

Living area1,571 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 55% of homes nearby

Lot size2,752 ft²
SmallerTypical 0.29 acBigger

Smaller than almost all homes nearby

Year built2024
OlderTypical 2016Newer

Newer than 97% of homes nearby

How 520 Thomas St ranks against every home in each area.
MeasureThis homeTiffin 52340Johnson County
Estimated valuepricier than$269,23622% of homes37% of homes
Price per ft²pricier than$17116% of homes21% of homes
Living areabigger than1,571 ft²55% of homes63% of homes
Lot sizebigger than2,752 ft²almost no homes7% of homes
Year builtnewer than202497% of homesalmost all homes

About 520 Thomas St

How much is 520 Thomas St, Tiffin, IA worth?

The TopHap Estimate for 520 Thomas St, Tiffin, IA is $269,236 as of Sep 24, 2026. The likely range is $247,115 to $291,357. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Thomas St, Tiffin, IA last sell?

520 Thomas St, Tiffin, IA last sold on May 14, 2025 for $250,000, according to the county's recorded deed.

How big is 520 Thomas St, Tiffin, IA?

520 Thomas St, Tiffin, IA has 3 bedrooms, 2.5 bathrooms and 1,571 square feet of living space.

When was 520 Thomas St, Tiffin, IA built?

520 Thomas St, Tiffin, IA was built in 2024, making it 2 years old. It is a conventional home. The building has 2 stories.

What schools serve 520 Thomas St, Tiffin, IA?

520 Thomas St, Tiffin, IA is assigned to Tiffin Elementary (elementary), rated B-; Clear Creek Amana Middle School (middle), rated A-; Clear Creek Amana High School (high), rated B+. All sit in Clear Creek-Amana Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 Thomas St, Tiffin, IA compare to other homes in Tiffin 52340?

Among the 2,672 homes in Tiffin 52340, it is worth more than 22% of them ($269,236 against a typical $391,926), its price per square foot is higher than 16% of them ($171 against a typical $270), it is bigger than 55% of them (1,571 ft² against a typical 1,540 ft²), its lot is bigger than almost none of them (2,752 ft² against a typical 0.29 ac) and it is newer than 97% of them (2024 against a typical 2016). Measured against all of Johnson County, it is worth more than 37% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 520 Thomas St, Tiffin, IA?

The 2025 property tax bill for 520 Thomas St, Tiffin, IA was $2. The county assessed it at $257,000.

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